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Individual Calculations February 2015 |
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| Van Amerongen-Jansen, Pegg Total change: 12.00 | |   |
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| Schaakfestival Groningen 2014 Compact A | Groningen | NED | 2014-12-26 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2149 | 2048 | 2.50 | 4 | 1.03 | 20 | 20.60 | |
|  Tromp, Pieter | | | 2156 | NED | 1.00 | 1 | 0.65 | 20 | 13.00 | |  Bezemer, Arno | f | | 2273 | NED | 0.00 | 1 | -0.22 | 20 | -4.40 | | | Wolferink, Frans | | | 2111 | NED | 0.50 | 1 | 0.09 | 20 | 1.80 | | | Wissmann, Dolf | | | 2054 | NED | 1.00 | 1 | 0.51 | 20 | 10.20 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Tata Steel Chess Tournament 2015 - T3I | Wijk aan Zee | NED | 2015-01-16 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1972 | 2048 | 5.00 | 9 | -0.43 | 20 | -8.60 | |
| | Buitink, Bert | | | 1944 | NED | 1.00 | 1 | 0.36 | 20 | 7.20 | | | De Zwart, Johan | | | 2007 | NED | 0.50 | 1 | -0.06 | 20 | -1.20 | | | Da Ces, Philippe | | | 1978 | BEL | 0.50 | 1 | -0.10 | 20 | -2.00 | | | Roet, Siem | | | 2028 | NED | 1.00 | 1 | 0.47 | 20 | 9.40 | | | Dekker, Jop | | | 1939 | NED | 0.00 | 1 | -0.65 | 20 | -13.00 | | | Van De Griend, Johan | | | 1962 | NED | 1.00 | 1 | 0.38 | 20 | 7.60 | | | Elgersma, Simon | | | 1832 | NED | 0.00 | 1 | -0.78 | 20 | -15.60 | | | Termeulen, Albert | | | 2087 | NED | 0.00 | 1 | -0.45 | 20 | -9.00 | | | Rakhorst, Wim | | | 1974 | NED | 1.00 | 1 | 0.40 | 20 | 8.00 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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